#404AB5#404AB5

#404AB5 is a mid, vivid blue. Relative luminance 0.093; OKLCH L 46.5% C 0.168 H 273.9°. Best body text is #FFFFFF at 7.33:1 contrast (WCAG AA passes).

Color values

HEX	#404AB5
RGB	rgb(64, 74, 181)
HSL	hsl(235, 48%, 48%)
HSV	hsv(235, 65%, 71%)
CMYK	cmyk(64.6%, 59.1%, 0%, 29%)
CIE-LAB	lab(36.60, 30.24, -58.10)
CIE-LCH	lch(36.60, 65.50, 297.50°)
OKLab	oklab(46.54% 0.0113 -0.1672)
OKLCH	oklch(46.54% 0.168 273.9)
XYZ	xyz(12.9009, 9.3226, 44.8267)
Luminance	0.0932 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404AB5 #B5AB40

analogous

#4084B5 #404AB5 #7040B5

triadic

#404AB5 #B5404A #4AB540

tetradic

#404AB5 #B54084 #B5AB40 #40B570

square

#404AB5 #B54084 #B5AB40 #40B570

split-complementary

#404AB5 #B57040 #84B540

monochromatic

#20255B #303888 #404AB5 #6871CA #969BDA

Accessibility & contrast

On white

7.33

#404AB5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#404AB5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404AB5

7.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404AB5	#FFFFFF	#000000	##FFFFFF
##404AB5	1.00	7.33	2.86	7.33
#FFFFFF	7.33	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BB9

Deuteranopia (green-blind)

#0051B3

Tritanopia (blue-blind)

#006478

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #404ab5;
/* rgb */ color: rgb(64, 74, 181);
/* oklch */ color: oklch(46.5% 0.168 273.9);

Tailwind

colors: {
  custom: {
    50: '#827ccc',
    500: '#404ab5',
    950: '#000000',
  },
}

SCSS

$custom: #404ab5;
$custom-light: #827ccc;
$custom-dark: #000000;

JSON

{
  "hex": "#404ab5",
  "rgb": {
    "r": 64,
    "g": 74,
    "b": 181
  },
  "hsl": {
    "h": 234.872,
    "s": 47.755,
    "l": 48.039
  },
  "oklch": {
    "l": 0.46541,
    "c": 0.16759,
    "h": 273.9
  },
  "luminance": 0.09324
}

Semantic roles & 50–950 ramp

primary

#404AB5

secondary

#C5C08B

accent

#CC50D7

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0913

muted

#7D7B82

Preview Lab

Preview with #404AB5

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →